def getBlindedSecret(secret, seed):
hashedSecret = int(SHA512.SHA512Hash(bytes(secret, 'utf-8')).hexdigest(), 16)
r = seed
while number.GCD(seed, AUTH_PUBLIC_KEY_N) != 1:
r += 1
blindedSecret = ((r ** AUTH_PUBLIC_KEY_E) * hashedSecret) % AUTH_PUBLIC_KEY_N
return hex(blindedSecret)
},
"sha224": {
"hashlib_hash": hashlib.new("sha224"),
"crypto_hash": SHA224.SHA224Hash()
},
"sha256": {
"hashlib_hash": hashlib.new("sha256"),
"crypto_hash": SHA256.SHA256Hash()
},
"sha384": {
"hashlib_hash": hashlib.new("sha384"),
"crypto_hash": SHA384.SHA384Hash()
},
"sha512": {
"hashlib_hash": hashlib.new("sha512"),
"crypto_hash": SHA512.SHA512Hash()
},
"sha1": {
"hashlib_hash": hashlib.new("sha1"),
"crypto_hash": SHA.SHA1Hash()
},
"ripemd160": {
"hashlib_hash": hashlib.new("ripemd160"),
"crypto_hash": RIPEMD.RIPEMD160Hash()
}
}
# takes hasher
def hashFile(filename, hasher):
return hashit.hashIter(hashit.blockIter(open(filename, "rb")), hasher)
def verifySignatue(secret, signature):
hashedSecret = int(SHA512.SHA512Hash(bytes(secret, 'utf-8')).hexdigest(), 16)
print("sdfd", hashedSecret)
hashedSecretSignature = pow(hashedSecret, AUTH_PUBLIC_KEY_D, AUTH_PUBLIC_KEY_N)
return signature == hashedSecretSignature
